tree onion

noun

: any of several perennial garden onions that constitute a variety (Allium cepa variety viviparum) of the common onion, are grown chiefly as a curiosity or for early salad onions, and are propagated by bulbils that replace the flowers in the inflorescence

called also Egyptian onion, top onion

compare multiplier onion

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Cite this Entry

“Tree onion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tree%20onion. Accessed 21 Jul. 2024.

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